gc physics textbook chapter 6 problems (id: acc3436ed)

本题目来源于试卷: gc physics textbook chapter 6 problems，类别为 通用国际物理

[填空题]
(a) If a volcano spews a 500-kg rocks 7*qgtb ak;8rco+mlepyw19) 8) my hr vertical/e.fgjr(f+q,rlw*syp zp+lt4ei+ s7ly upward a distance of 500 m, what was its v/r j+l.(p wfs*ee+z 4 +rlqy,tsp fgi7elocity when it left the volcano? $\approx$    m/s
(b) If the volcano spews the equivalent of 1000 rocks of this size every minute, what is its power output? $\approx$ $a\times10^b$ W a =    b =   

参考答案:
空格1: 100±2%  空格2: 4±2%  空格3: 7±2% 


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